Merge branch 'master' of https://github.com/redox-os/ion

examples/methods.ion

examples/methods.out

src/parser/assignments/checker.rs

src/parser/shell_expand/mod.rs

src/parser/shell_expand/words/index.rs

src/parser/shell_expand/words/methods/arrays.rs

src/parser/shell_expand/words/methods/mod.rs

src/parser/shell_expand/words/methods/pattern.rs

src/parser/shell_expand/words/methods/strings.rs

src/parser/shell_expand/words/mod.rs

src/parser/shell_expand/words/range.rs

src/parser/shell_expand/words/tests.rs

src/shell/binary.rs

src/sys/redox.rs

src/sys/unix.rs